290 lines
10 KiB
C++
290 lines
10 KiB
C++
/*! \file picodeparser.h
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* \addtogroup Code
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* \{
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* \~
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* \brief
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* \~english C++ code parser
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* \~russian Разбор C++ кода
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* \details
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* \~english Parser for analyzing C++ source files. Extracts information about classes, structures, enums, macros, functions, and members.
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* \~russian Парсер для анализа C++ исходных файлов. Извлекает информацию о классах, структурах, перечислениях, макросах, функциях и членах.
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*/
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/*
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PIP - Platform Independent Primitives
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C++ code parser
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PICODEPARSER_H
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#define PICODEPARSER_H
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#include "pievaluator.h"
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#include "pifile.h"
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inline bool _isCChar(const PIChar & c) {
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return (c.isAlpha() || (c.toAscii() == '_'));
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}
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inline bool _isCChar(const PIString & c) {
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if (c.isEmpty()) return false;
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return _isCChar(c[0]);
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}
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class PIP_EXPORT PICodeParser {
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public:
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//! \~english Default constructor.
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//! \~russian Конструктор по умолчанию.
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PICodeParser();
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enum Visibility {
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Global,
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Public,
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Protected,
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Private
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};
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enum Attribute {
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NoAttributes = 0x0,
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Const = 0x01,
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Static = 0x02,
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Mutable = 0x04,
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Volatile = 0x08,
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Inline = 0x10,
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Virtual = 0x20,
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Extern = 0x40
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};
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typedef PIFlags<Attribute> Attributes;
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typedef PIPair<PIString, PIString> Define;
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typedef PIPair<PIString, PIString> Typedef;
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typedef PIMap<PIString, PIString> MetaMap;
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//! \~english Represents a preprocessor macro.
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//! \~russian Представляет препроцессорный макрос.
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struct PIP_EXPORT Macro {
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Macro(const PIString & n = PIString(), const PIString & v = PIString(), const PIStringList & a = PIStringList()) {
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name = n;
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value = v;
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args = a;
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}
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//! \~english Expand macro with given arguments.
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//! \~russian Раскрыть макрос с заданными аргументами.
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//! \param args_ Arguments string
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//! \param ok Output flag indicating success
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//! \return Expanded macro value
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PIString expand(PIString args_, bool * ok = 0) const;
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PIString name;
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PIString value;
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PIStringList args;
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};
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//! \~english Represents a class/struct member variable or function.
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//! \~russian Представляет переменную-член или функцию класса/структуры.
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struct PIP_EXPORT Member {
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Member() {
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visibility = Global;
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size = 0;
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bits = -1;
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is_type_ptr = false;
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attributes = NoAttributes;
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}
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//! \~english Check if member is a bitfield.
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//! \~russian Проверить, является ли член битовым полем.
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bool isBitfield() const { return bits > 0; }
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MetaMap meta;
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PIString type;
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PIString name;
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PIStringList arguments_full;
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PIStringList arguments_type;
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PIStringList dims;
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Visibility visibility;
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Attributes attributes;
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bool is_type_ptr;
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int size;
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int bits;
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};
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//! \~english Represents a parsed entity (class, struct, namespace, etc.).
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//! \~russian Представляет разобранную сущность (класс, структуру, пространство имен и т.д.).
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struct PIP_EXPORT Entity {
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Entity() {
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visibility = Global;
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is_anonymous = false;
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size = 0;
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parent_scope = 0;
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}
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MetaMap meta;
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PIString type;
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PIString name;
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PIString file;
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Visibility visibility;
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int size;
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bool is_anonymous;
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Entity * parent_scope;
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PIVector<Entity *> parents;
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PIVector<Member> functions;
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PIVector<Member> members;
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PIVector<Typedef> typedefs;
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};
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//! \~english Represents an enumerator value.
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//! \~russian Представляет значение перечисления.
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struct PIP_EXPORT EnumeratorInfo {
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EnumeratorInfo(const PIString & n = PIString(), int v = 0, const MetaMap & m = MetaMap()) {
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name = n;
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value = v;
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meta = m;
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}
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MetaMap meta;
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PIString name;
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int value;
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};
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//! \~english Represents a parsed enum type.
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//! \~russian Представляет разобранный тип перечисления.
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struct PIP_EXPORT Enum {
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Enum(const PIString & n = PIString()) { name = n; }
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MetaMap meta;
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PIString name;
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PIVector<EnumeratorInfo> members;
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};
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//! \~english Parse C++ source file.
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//! \~russian Разбор C++ исходного файла.
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//! \param file Path to source file
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//! \param follow_includes Whether to follow include directives
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void parseFile(const PIString & file, bool follow_includes = true);
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//! \~english Parse multiple C++ source files.
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//! \~russian Разбор нескольких C++ исходных файлов.
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//! \param files List of file paths
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//! \param follow_includes Whether to follow include directives
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void parseFiles(const PIStringList & files, bool follow_includes = true);
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//! \~english Parse C++ source from string content.
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//! \~russian Разбор C++ исходного кода из строки.
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//! \param fc Source code content
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void parseFileContent(PIString fc);
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//! \~english Add directory to search for include files.
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//! \~russian Добавить директорию для поиска включаемых файлов.
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//! \param dir Directory path
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void includeDirectory(const PIString & dir) { includes << dir; }
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//! \~english Add custom macro definition.
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//! \~russian Добавить пользовательское определение макроса.
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//! \param def_name Macro name
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//! \param def_value Macro value
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void addDefine(const PIString & def_name, const PIString & def_value) { custom_defines << Define(def_name, def_value); }
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//! \~english Check if name refers to an enum type.
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//! \~russian Проверить, является ли имя типом перечисления.
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//! \param name Name to check
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//! \return true if name is an enum
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bool isEnum(const PIString & name);
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//! \~english Find entity by name.
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//! \~russian Найти сущность по имени.
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//! \param en Entity name
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//! \return Pointer to entity or nullptr
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Entity * findEntityByName(const PIString & en);
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//! \~english Get list of parsed files.
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//! \~russian Получить список разобранных файлов.
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//! \return List of file paths
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PIStringList parsedFiles() const { return PIStringList(proc_files.toVector()); }
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//! \~english Get main file path.
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//! \~russian Получить путь к главному файлу.
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//! \return Main file path
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PIString mainFile() const { return main_file; }
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//! \~english Get global scope entity.
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//! \~russian Получить сущность глобальной области видимости.
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//! \return Pointer to global entity
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const PICodeParser::Entity * global() const { return &root_; }
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//! \~english Get maximum iterations for macros substitution.
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//! \~russian Получить максимальное количество итераций для подстановки макросов.
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//! \return Maximum iterations count
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int macrosSubstitutionMaxIterations() const { return macros_iter; }
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//! \~english Set maximum iterations for macros substitution.
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//! \~russian Установить максимальное количество итераций для подстановки макросов.
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//! \param value Maximum iterations count
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void setMacrosSubstitutionMaxIterations(int value) { macros_iter = value; }
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//! \~english List of defined macros.
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//! \~russian Список определенных макросов.
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PIVector<Define> defines, custom_defines;
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//! \~english List of macro definitions with expansion.
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//! \~russian Список определений макросов с подстановкой.
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PIVector<Macro> macros;
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//! \~english List of enumerated types.
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//! \~russian Список типов перечислений.
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PIVector<Enum> enums;
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//! \~english List of type definitions.
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//! \~russian Список определений типов.
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PIVector<Typedef> typedefs;
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//! \~english List of parsed entities (classes, structs, etc.).
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//! \~russian Список разобранных сущностей (классов, структур и т.д.).
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PIVector<Entity *> entities;
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private:
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void clear();
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bool parseFileInternal(const PIString & file, bool follow_includes);
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bool parseFileContent(PIString & fc, bool main);
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bool parseDirective(PIString d);
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Entity * parseClassDeclaration(const PIString & fc);
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Entity * parseClass(Entity * parent, PIString & fc, bool is_namespace);
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MetaMap parseMeta(PIString & fc);
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bool parseEnum(Entity * parent, const PIString & name, PIString fc, const MetaMap & meta);
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Typedef parseTypedef(PIString fc);
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bool parseMember(Entity * parent, PIString & fc);
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int extractMemberBits(PIString & fc);
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void restoreTmpTemp(Member * e);
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void restoreTmpMeta(Member * e);
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MetaMap maybeMeta(PIString & fc);
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bool macroCondition(const PIString & mif, PIString mifcond);
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bool isDefineExists(const PIString & dn);
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double defineValue(const PIString & dn);
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void replaceMeta(PIString & dn);
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PIString procMacros(PIString fc);
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double procMacrosCond(PIString fc);
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bool isDeclaration(const PIString & fc, int start, int * end);
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bool isMainFile(const PIString & fc);
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void normalizeEntityNamespace(PIString & n);
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int macros_iter, anon_num;
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bool with_includes;
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PIEvaluator evaluator;
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PISet<PIString> proc_files;
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PIString cur_file, main_file;
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PIStringList includes;
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Entity root_;
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Visibility cur_def_vis;
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PIString cur_namespace;
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PIMap<PIString, PIString> tmp_temp;
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PIMap<PIString, MetaMap> tmp_meta;
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};
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/*! \}
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*/
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#endif // PICODEPARSER_H
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